Scarred by disastrous wars and thousands of deaths caused by terrorism, the world is still reeling from the events of September 2001.
Does including torture or other human rights violations in video games trivialize the actions? Or might it force us to think more critically about them?
As the world picks over the Iraq Inquiry's final report, three fascinating character portraits have emerged.
When Attorney-General George Brandis was asked on Q&A about a parliamentary vote on the decision to go to war, he said that was not part of the Westminster tradition. Is that right?
Iraq's supposedly sky-high child mortality rate was a key part of Blair's case for war, and he was still making it years later – but it seems to have been based on a single dubious study.
What has the Chilcot Inquiry actually achieved? Here's what the experts had to say.
Iraq's oil industry is a window into the troubled period that followed regime change.
Oil wasn't the conspiracy behind the Iraq War, but it was always in the mix.
Former prime minister John Howard has stood by his decision to commit troops to the war in Iraq.
The anti-war movement was visible everywhere in the run-up to the invasion of Iraq – but it made fundamental mistakes that hamstrung its campaign.
Compared with other attempts to mend deep wounds after wars and conflicts, the Chilcot Report falls depressingly short.
Intelligence on Iraq's weapons of mass destruction was a core part of the case for war. The Chilcot Report has examined how it came to be so distorted.
From faulty intelligence and inadequate oversight to disastrously poor planning, the Iraq War was a mess from the start.
Tony Blair insists to this day that his decision to go to war in Iraq was made in good faith. Does that make him any less culpable?
The Iraq Inquiry has found that the case for invading Iraq was far from watertight and made without proper care. Deception, however, is another matter.
Too many people still believe that Iraq collapsed because there was no plan for it; others think the West has learnt from its mistakes. Wrong and wrong.
British political life increasingly revolves around expensive investigations that make a fetish of looking backwards.
When blame is allocated for going to war in 2003, save some for the UK press.
Fallujah has been an icon of Sunni resistance ever since the US bombed it in 2004.
Whatever his position on the Iraq War was in 2003, Donald Trump is ready to attack Hillary Clinton for hers – and from the left, too.